US Bridges

I 70F Spur over I 70A Ml

Fair

Eagle County, Colorado · Eagle Interchange · Structure no. F-09-AB

Built
1972
53 years old, rebuilt 1986
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
216 ft
2 main spans
Daily traffic
19,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 70F Spur over I 70A Ml is a concrete continuous box beam or girders - single or spread carrying I 70F Spur over I 70A Ml in Eagle County, Colorado. It was built in 1972 and reconstructed in 1986, so it is 53 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 19,000 vehicles a day, roughly 5% of them trucks, projected to reach 25,080 by 2040. The structure is 216 ft (65.7 m) long and 51 ft wide.

CarriesI 70F Spur
CrossesI 70A Ml
LocationEagle Interchange
RouteState Highway 70F
Coordinates39.65991, -106.82737
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating49.1 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length216 ft (65.7 m)
Longest span111 ft (33.8 m)
Deck width51 ft (15.4 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,000 (2020)
Projected traffic25,080 by 2040
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 70F Spur over I 70A Ml built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 1986.

What condition is I 70F Spur over I 70A Ml in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does I 70F Spur over I 70A Ml carry?

About 19,000 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is I 70F Spur over I 70A Ml?

The structure is 216 ft (65.7 m) long with a longest span of 111 ft (33.8 m) and a deck 51 ft wide.

Who owns I 70F Spur over I 70A Ml?

It is owned by the State Highway Agency.